Can opener



FIG. 1 is a top, left side and front end perspective view of a can opener, in a closed condition, showing my new design;

FIG. 2 is a top, left side and rear end perspective view thereof, in an open condition;

FIG. 3 is top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front end elevational view thereof; and,

FIG. 8 is a rear end elevational view thereof. 

The ornamental design for a can opener, as shown and described. 